1) im not sure if it will affect your immigration. Might want to check with an immigration lawyer first.
2) I think Canada only accepts NCLEX results if the exam was completed in Canada or the US.
Please please do not move your life here until you know for certain how this is going to turn out. Many people have moved here too and tried to set up a life but found out when they were already here how next to impossible it was for them to be considered comparable and able to practice. They ran out of money waiting in some cases. Just be careful to know the ins and outs of this. Before you make a huge move