The equation Li2O + 2LiOH -> 2Li2O

1. The stated chemical equation Li₂O + 2LiOH -> 2Li₂OinvolvesthereactantsLi₂O(lithiumoxide)andLiOH(lithiumhydroxide), resulting in the product Li₂O (lithium oxide).

2. The conditions for the reaction have not been specified in the question. However, the reaction conditions often depend on several factors such as temperature, pressure, and reaction environment. For this chemical equation, it may occur in a dry environment and at high temperatures.

3. The question does not specify the reaction process, additional information from other sources may be required to answer this part.

4. Occurrence: This depends on the specific conditions of the reaction, but may include color changes, heat emission or gas production.

Note: The above chemical equation is unbalanced, it needs to be balanced to comply with the principle of atom conservation.