H_{2}SO_{4} (aq) + 2NaOH (aq)\rightarrow Na_{2}SO_{4} (aq) + 2H_{2}O (l)\) The question tells you that there is an excess of acid, so the sodium hydroxide will control how much product is obtained.

Save guides, add subjects and pick up where you left off with your BBC account. The solid copper hydroxide precipitate was collected by filtering, washed with water and dried in an oven.