Answer:
Al(OH)3 + 3 HCl → AlCl3 + 3 H2O
Explanation:
I should point out that you have the wrong equation to start with. Al always occurs in the +3 oxidation state in compounds, so it should be AlCl3.
Then the balanced eq is
Al(OH)3 + 3 HCl → AlCl3 + 3 H2O