Complete the following reactions :
`CuO(s)+H_(2)(g)to`

Explanation

To complete the reaction of copper oxide (CuO) with hydrogen gas (H₂), we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are copper(II) oxide (CuO) and hydrogen gas (H₂).

### Step 2: Write the Reaction
The reaction can be written as:
\[ \text{CuO}(s) + \text{H}_2(g) \rightarrow \text{Cu}(s) + \text{H}_2\text{O}(l) \]
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