Complementary to its reactivity towards acids, KOH attacks oxides. So, SiO2 is attacked by KOH to give soluble potassium silicates. KOH reacts with carbon dioxide to give potassium bicarbonate: Potassium hydroxide is usually a caustic alkali and its options range from annoying to skin and other tissue in minimal concentrations, https://potassiumcyanideformula22089.thelateblog.com/30894736/how-much-is-cyanide-fundamentals-explained