The word(s) "precavido" appears 3 time(s) in 3 verse(s) in Quran in Portuguese (Prof. Samir El-Hayek) translation.

(1) Quanto logras um triunfo, isso os desgosta; por outra, quando te açoita uma desgraça, dizem: Já nos tínhamos precavido! e retiram-se jubilosos.

(سورة التوبة, At-Tawba, Chapter #9, Verse #50)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) E todos nós estamos precavidos!

(سورة الشعراء, Ash-Shu'araa, Chapter #26, Verse #56)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(3) Aguardam, acaso, que a Hora os surpreenda subitamente, sem estarem precavidos?

(سورة الزخرف, Az-Zukhruf, Chapter #43, Verse #66)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)