<div class="form-group label-floating mt-3 mb-1">
                <label class="control-label">Укажите старый пароль</label>
                <input class="form-control" placeholder="" name="account-old-password" type="text" autocomplete="off">
            </div>
            <div class="form-group label-floating mt-3 mb-1">
                <label class="control-label">Укажите новый пароль</label>
                <input class="form-control" placeholder="" name="account-new-password" type="text" autocomplete="off">
            </div>

$('input[name="account-old-password"]').on('focusout', function () {
   ///
});

$('input[name="account-new-password"]').on('focusout', function () {
  ///
});

$('input[name="account-old-password"] input[name="account-new-password"]').on('focusout', function () {
  ///
});