The equation ZnSO4 + Ba(OH)2 -> BaSO4 + Zn(OH)2

1. Detailed information about the equation ZnSO₄ + Ba(OH)₂ -> BaSO₄ + Zn(OH)₂:
   The above equation describes the reaction process between zinc sulfate (ZnSO₄) and barium hydroxide (Ba(OH)₂) to form barium sulfate (BaSO₄) and zinc hydroxide (Zn(OH)₂).

2. Reaction conditions:
   This reaction occurs under normal temperature and pressure conditions.

3. Reaction process:
   The reaction process takes place according to the given equation, producing precipitates of barium sulfate and zinc hydroxide.

4. Occurring Phenomenon:
   When the two reactants are mixed together, they form a white precipitate of barium sulfate (BaSO₄) and zinc hydroxide (Zn(OH)₂). Barium sulfate (BaSO₄) is an insoluble substance, so it will be seen as a white precipitate. Zinc hydroxide (Zn(OH)₂) is also insoluble in water and forms a precipitate as well.

Note: This reaction needs to be carried out under the supervision of a specialist as both the reactants and the products can cause side effects if not handled properly.