The equation is: Magnesium + oxygen → magnesium oxide. 2Mg + O2 → 2MgO.
In chemistry, a precipitate is an insoluble SOLID that emerges from a liquid solution. The EMERGENCE of the insoluble solid from solution is called PRECIPITATION. Often the precipitate emerges as a suspension. Precipitates can form when two soluble salts REACT in solution to form one or more insoluble product