Write the reaction that takes place on adding lime to water containing magnesium bicarbonate.

Explanation

To solve the question regarding the reaction that takes place when lime (calcium hydroxide) is added to water containing magnesium bicarbonate, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Reactants**:
- The reactants in this case are magnesium bicarbonate \((\text{Mg(HCO}_3\text{)}_2)\) and lime (calcium hydroxide, \(\text{Ca(OH)}_2\)).

2. **Write the Initial Reaction**:
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