The Queen's pawn game is extremely popular and occurs frequently enough that every chess player should know it. From the data, you can expect that White will have a 48.06% chance of winning, while Black should have a 51.94% chance of winning. Because of the fact that this opening is extremely popular but neither side gains a significant edge, you should spend time becoming familiar with this variation to make sure you know the main lines and don't fall for any traps.