The pair in which the first compound is ionic and the second compound is covalent,is

  • A
    $Fe(OH)_2, CH_3OH$
  • B
    $Fe(OH)_2, Cu(OH)_2$
  • C
    $CH_3OH, CH_3CH_2OH$
  • D
    $Ca(OH)_2, Cu(OH)_2$

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