What kind of reaction is magnesium nitride to magnesium oxide?

The reaction of magnesium nitride (Mg3N2) to magnesium oxide (MgO) is a decomposition reaction. When magnesium nitride is heated in the presence of oxygen, it can decompose to produce magnesium oxide and nitrogen gas. The overall reaction can be represented as: 3 Mg3N2 + 6 O2 → 9 MgO + 2 N2. This reaction illustrates the transformation of magnesium nitride to a more stable oxide form while releasing nitrogen gas.