Solution of task 402 of Chemistry Book Shimanovich 2003

Solution of task 402 of Chemistry Book Shimanovich 2003

402. Dioxides of titanium and zirconium during fusion interact with alkalis. What properties of oxides do these reactions say? Write the reaction equations between:
a) TiO3 and BaO;
b) ZrO2 and NaOH.
In the first reaction, metatitanate is formed, and in the second reaction, orthosirconate of the corresponding metals