What Vim command(s) can be used to quote/unquote words?

Question

How can I quickly quote/unquote words and change quoting (e.g. from \' to \") in Vim? I know about the surround.vim plugin, but I would like to use

Answer 1

Quote a word, using single quotes

ciw'Ctrl+r"'

It was easier for me to do it this way

ciw '' Esc P