Choose the correct answer:
1. Which among the following metals does not react with oxygen even at high temperatures?
2. At low temperatures, an alkali metal, which is located before magnesium in the periodic table, interacts with oxygen to form a product \(X\).
\(X\) is further reacted with water to form the product \(Y\).
Find \(X\) and \(Y\).
\(X\) is further reacted with water to form the product \(Y\).
Find \(X\) and \(Y\).