Th3R3ALaSSaSSin4 :
CS:GO Minimum System Requirements:
Cpu:Core 2 Duo E6600 2.4GHz or Athlon 64 X2 Dual Core 3600+
Gpu:GeForce GT 420 or Radeon HD 6450
RAM:1 GB
OS:Win Xp 32
Source:http://www.game-debate.com/games/index.php?g_id=2323&game=Counter-Strike:%20Global%20Offensive
I just played 3 games fine no problem everything went fine, except for me getting destroyed then
On low settings, the OP should be fine playing CS:GO.
May not be 60+ avg FPS, but the game will still be playable.