Which eaquation has water as a reactant in the chemical reaction?

One common equation that includes water as a reactant is the process of photosynthesis, which can be represented as:

6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂.

In this reaction, carbon dioxide and water are converted into glucose and oxygen, highlighting the crucial role of water in the process.