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QUESTION

# What is the chemical equation for potassium oxide + water ---&gt; potassium hydroxide?

"K"_2"O" + "H"_2"O" -> 2"KOH"

Potassium oxide + water produces potassium hydroxide.

Potassium oxide is an ionic compound. The potassium has a charge of "K"^+ and oxygen has a charge of "O"^(2-). We need 2 potassium ions to balance one oxide ion making the formula "K"_2"O".

Potassium hydroxide is an ionic compound. The potassium has a charge of "K"^+ and hydroxide has a charge of "OH"^-. We need 1 potassium ion to balance one hydroxide ion making the formula "KOH".

"K"_2"O" +" H"_2"O" -> "KOH"

To balance the equation we place a coefficient of 2 in front of the potassium hydroxide.

"K"_2"O" + "H"_2"O" -> 2"KOH"

I hope this was helpful. SMARTERTEACHER