Hi
Im international student willing to got to UK to do my post grad. If I take my spouse with me will she receive the permission to work. I mean full time work

Since you will be there for a good amount of time, then she mostly likely will be able to. Here's a good site that will answer many questions that are likely to come up:

UK Students and UK Student visas (http://www.legalcentre.org/index.php?category=11&submenu=27)