Zhǐyào / nǐ / gēn / tā / bǎ / dàolǐ / jiǎng / qīngchu， / tā / shì / mínglǐ / de / rén， / búhuì / wúlǐ / qǔnào。

只要你跟她把道理讲清楚，她是明理的人，不会无理取闹。

As long as you explain the reasoning clearly, she is reasonable and will not make an unreasonable scene.