As long as she meets the sponsor requirements it's okay if she isn't working.
Sponsorship eligibility (Pasted from Guide 3900)
In order to sponsor, you must…
be 18 years of age or older,
be a Canadian citizen, Registered Indian or permanent resident,
be sponsoring a member of the family Class,
live in Canada or provide evidence, if you are a Canadian citizen living outside of Canada, that you will live in Canada once the person you are sponsoring becomes a permanent resident.
sign an agreement with your spouse or common-law partner confirming that each of you understands your obligations and responsibilities,
sign an undertaking promising to provide for your spouse or common-law partner’s basic requirements and, if applicable, those of his or her dependent children,
prove that you have sufficient income to provide basic requirements for your spouse or common-law partner’s dependent children. To do this, you must provide documents showing your financial resources for the past 12 months. This requirement applies only when dependent children who have dependent children of their own are included on the application.
You may NOT sponsor if you…
signed an undertaking for a previous spouse or common-law partner and three years have not elapsed since he or she became a permanent resident and,
receive social assistance for a reason other than disability,
are in default of an undertaking, an immigration loan, a performance bond, or family support payments, For more information. See Defaults below.
are an undischarged bankrupt,
were convicted of an offence of a sexual nature, a violent criminal offence, an offence against a relative that results in bodily harm or an attempt or threat to commit any such offences—depending on circumstances such as the nature of the offence, how long ago it occurred and whether a pardon was issued
For more information. See Sponsorship Bar for Violent Crime
were previously sponsored as a spouse , common-law or conjugal partner and became a permanent resident of Canada less than 5 years ago,
For more information. See Five-year Sponsorship Bar
are under a removal order,
are detained in a penitentiary, jail, reformatory or prison,
have already applied to sponsor your current spouse or common-law partner and a decision on your application has not yet been made.
