I would recommend that you check out the following:
Nurse's Board of Victoria
To echo what another poster said, you don't simply "move" to Australia. You must go through immigration and obtain a work permit or "landed status" if permanent residency is your goal.
It is my understanding that if you are under a certain age, as a citizen of a member British Commonwealth Country (Canada), there may be special visas to allow you to live and work in Australia for one year.
You best bet is to start with the Nurse's Board of Victoria and possibly the Australian Nursing Council or whatever nursing organization in Australia is charged with evaluating foreign credentials. (there are lots of links from the web site above).
Also.....you need to speak with an immigration attorney that specializes in Australian immigration law. Depending where you are located in Canada, that probably wouldn't be too hard, especially if you are in Toronto or Montreal.
Good luck with your plans. Australia is a wonderful country and as 2 young Canadian RNs, I do think your goal is doable, but it will take some work.