Question

potassium metal reacts with water to give potassium hydroxide and hydrogen gas​

Answer 1

Explanation:

2k+2h20=2koh +h2

hydrogen gas leads to explosion due to high combustibility

Answer 2

ᴘᴏᴛᴀssɪᴜᴍ ᴍᴇᴛᴀʟ ʀᴇᴀᴄᴛs ᴠᴇʀʏ ʀᴀᴘɪᴅʟʏ ᴡɪᴛʜ ᴡᴀᴛᴇʀ ᴛᴏ ғᴏʀᴍ ᴀ ᴄᴏʟᴏᴜʀʟᴇss ʙᴀsɪᴄ sᴏʟᴜᴛɪᴏɴ ᴏғ ᴘᴏᴛᴀssɪᴜᴍ ʜʏᴅʀᴏxɪᴅᴇ (ᴋᴏʜ) ᴀɴᴅ ʜʏᴅʀᴏɢᴇɴ ɢᴀs (ʜ2). ᴛʜᴇ ʀᴇᴀᴄᴛɪᴏɴ ᴄᴏɴᴛɪɴᴜᴇs ᴇᴠᴇɴ ᴡʜᴇɴ ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ ʙᴇᴄᴏᴍᴇs ʙᴀsɪᴄ. ᴛʜᴇ ʀᴇsᴜʟᴛɪɴɢ sᴏʟᴜᴛɪᴏɴ ɪs ʙᴀsɪᴄ ʙᴇᴄᴀᴜsᴇ ᴏғ ᴛʜᴇ ᴅɪssᴏʟᴠᴇᴅ ʜʏᴅʀᴏxɪᴅᴇ. ᴛʜᴇ ʀᴇᴀᴄᴛɪᴏɴ ɪs ᴇxᴏᴛʜᴇʀᴍɪᴄ.