Question

Write equation when potassium oxide reacts with water. What will be its response towards a) blue litmus solution b) red litmus solution?

Answer 1

Potassium oxide on reaction with water forms potassium hydroxide, as per the reaction given below:
K₂O + H₂O $\to$ 2KOH
​Since KOH is base so its response:
a) towards blue litmus solution: no change
​b) towards red litmus solution : changes red litmus to blue.