Question

How is the reaction between `Cu^(2+)` and hydroxide ion represented?

Answer 1

`Cu^(2+) + 2HO^(-) rarr Cu(OH)_2(s)darr`

Explanation:

So is the equation balanced? How do you know?

Often these heavy metal hydoxides are are better formulated as hydrous oxides, i.e. `CuO*H_2O(s)`; they are very insoluble beasts.