The equation K2O + 2AgNO3 -> 2KNO3 + 2Ag

The chemical equation above represents the chemical reaction between K₂O (potassium oxide) and AgNO₃ (silver nitrate) to produce KNO₃ (potassium nitrate) and Ag (silver). According to the coefficients in the equation, we see that each mole of K₂O reacts with two moles of AgNO₃ to form two moles of KNO₃ and two moles of silver.

Reaction conditions: This reaction occurs at room temperature.

Reaction process: During the reaction process, K₂O and AgNO₃ interact with each other. Potassium iodide is a strong oxidizing agent, it gives oxygen to silver nitrate, turns into potassium nitrate and produces silver.

Phenomenon occurring: The result of the reaction is the appearance of silver in granular form that floats up in organic form, which can be seen with the naked eye. This color change is a sign that the reaction has taken place.