In which conditions #Na_2O# reacts with #H_2O# to form NaOH? Chemistry Chemical Reactions Chemical Reactions and Equations 1 Answer anor277 Jul 13, 2017 #Na_2O + H_2O(l) rarr 2NaOH(aq) + Delta# Explanation: Sodium oxide is thus the #"base anhydride"# of sodium hydroxide. When you open a tin, the white powder is usually contained in a plastic bag, so that it does not undergo reaction with moist air. Answer link Related questions Question #fee47 Question #c5c15 Question #19eb9 Question #e2ea2 Question #bc751 Question #e2ea6 Question #08b07 What is the thermochemical equation for the combustion of benzene? Why are chemical reactions reversible? Why are chemical reactions important? See all questions in Chemical Reactions and Equations Impact of this question 1428 views around the world You can reuse this answer Creative Commons License