Complete and balance the following equation :
`CuO+"____" rarr Cu+"____"`

Explanation

To complete and balance the equation `CuO + "____" → Cu + "____"`, we need to identify the missing reactant and product.

### Step-by-Step Solution:

1. **Identify the Reactant**:
The given reactant is Copper Oxide (CuO). To convert CuO into Copper (Cu), we need a reducing agent that can remove oxygen from CuO.

2. **Choose a Reducing Agent**:
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